is it possible to do this without needed to pull the files?
Possible. As well as the file hash, a filename can also be obtained.
Files larger than 10 GB are split up, which is a bit tricky, but the filenames and their rules are predefined, so it is manageable.
where can I find information on quantisation?
The right-hand side of this screen is clearly lined with data interpreted by the server. Perhaps this information is also available in the API. But come to think of it, I have never checked if I can actually get this…